body,
html {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: #eff3fd;
  height: 100vh;
}
.open_platform {
  width: 100%;
  text-align: center;
  .open_header {
    margin: 0 -100%;
    height: 380px;
    background: url('https://qny.weizulin.cn/images/202401261031678.jpg') no-repeat center center;
    background-size: 1920px 380px;
    position: relative;
    .open_header_wrapper {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      color: #333;
      .open_header_title {
        font-size: 40px;
        font-weight: 600;
        margin-bottom: 20px;
      }
      .open_header_desc {
        font-size: 20px;
      }
    }
  }
  .open_content {
    width: 80%;
    margin: 0 auto;
    padding: 60px 0;
  }
}
